Kathy Kraynik's brother said on Snapped his sister had always been troubled, but he never believed she'd murder their mother.

“He’s very clearly a psychopath,” Ward said. “Part of his personality disorder is you don’t experience the normal emotions ...

A beloved grandmother is reported missing to Virginia police weeks before her body is found burned in the woods of another state. Authorities navigate family tensions to uncover the truth behind her ...

Read about Shannon Schieber, 23, found raped and strangled to death in her Philadelphia apartment, and how authorities caught ...

Find out more about the strange death of Arizona woman Faylene Grant, as told in Oxygen's Accident, Suicide or Murder.

When a Philadelphia grad student is brutally murdered in her Rittenhouse Square apartment, detectives trace clues leading them across the country to unearth an evil lurking in the shadows that forever ...

Police find the bloody and partially decomposed body of Tommy Kellum, shot to death in his own home.

Preview: A potential motive is revealed in the shooting death of 76-year-old Lake City, Florida resident Tommy Kellum.

Rachel Siani worked in a gentlemen's club to help pay for college, but could this job have led to her death?

Police question a man who was potentially the last person to see Rachel Siani alive.

An FBI profile on a murder suspect pushes investigators in a new direction.

A suspect taunts investigators with anonymous letters full of red herrings.